Alert archive / Arizona / Flash Flood Watches in 2018

Flash Flood Watch 5, NWS Flagstaff, AZ

August 22, 2018Coconino County, Arizona

NWS Flagstaff, AZ issued this flash flood watch at Aug 22, 2018, 3:40 AM MST for Coconino County, Arizona. It took effect at Aug 22, 2018, 10:00 AM MST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Aug 22, 2018, 3:40 AM MST (10:40 UTC)
In effect from: Aug 22, 2018, 10:00 AM MST
Expired: Aug 22, 2018, 4:25 PM MST
In force: 6 hr
Issued by: NWS Flagstaff, AZ
Flood severity: None

County Coconino County, AZ

The radar

The Flagstaff radar (KFSX), 150 km from the middle of the area, began a volume at 10:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood watch went out at Aug 21, 8:52 PM MST, 6 hours 48 minutes earlier.

Area forecast discussion, Aug 21, 8:52 PM MST, 6 hours 48 minutes before

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The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 21, 5:10 PM MST	Flash Flood Warning	FGZ	Coconino	3 hr
Aug 21, 9:07 PM MST	Flash Flood Warning	FGZ	Coconino	5 hr
Aug 22, 12:59 PM MST	Areal Flood Advisory	FGZ	Yavapai	5 hr
Aug 22, 2:07 PM MST	Special Weather Statement	FGZ		38 min
Aug 22, 2:36 PM MST	Areal Flood Advisory	FGZ	Coconino, Yavapai	3 hr
Aug 22, 4:39 PM MST	Flash Flood Warning	FGZ	Yavapai	3 hr
Aug 22, 4:48 PM MST	Flash Flood Warning	FGZ	Yavapai	3 hr

Nearby

Flash Flood Watches in Arizona, 2018 Every flash flood watch in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.